Slope-Intercept Form Of A Line Worksheet Page 2
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Date:
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6. Using what you’ve just discovered, can you think of an easier way to graph the lines from
problem 1 on the first page without making an x-y table? For example, explain how you
1
would graph the function y
x
2 ?
=
+
2
The linear functions on the first page are written in a special form called slope-intercept form.
When a linear function is in the form �� = ���� + �� the slope of the line is m and the y-intercept is
b.
The number in front of the x variable, m, is the coefficient of x and is the slope.
The constant term is the y-intercept.
x and y are the variables. For any given example, x and y can vary. You can choose any real
number for x and find the corresponding y value.
m and b are parameters. For any given example, the specific numbers for m and b are fixed.
The given values for m and b will not change for that particular equation.
7. For each function, find the slope (m) and y-intercept (b), and then graph each function.
2
5
−
(a) y
4 : m=________b=________
(b)
: m=________b=________
x
y
= x
7
=
+
−
7
3
y
y
x
x
Activity 4.4.2
CT Algebra I Model Curriculum Version 3.0
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